Re: Copper strap...

• To: tesla-at-pupman-dot-com
• Subject: Re: Copper strap...
• From: Hollmike-at-aol-dot-com (by way of Terry Fritz <twftesla-at-uswest-dot-net>)
• Date: Sat, 04 Mar 2000 12:03:30 -0700
• Approved: twftesla-at-uswest-dot-net
• Delivered-To: fixup-tesla-at-pupman-dot-com-at-fixme

For RF currents, like in your tank circuit, I would say this foil would be 
closer in behavior to a 1 inch diameter copper pipe due to the surface area(I 
didn't consider skin depth when making this statement).  But as far as your 
equivalent diameter, I get the same answer.   I would hazard a guess that it 
can handle more RMS power than the equivalent size solid round conductor 
since it has more surface area for cooling.  
Mike


> Original Poster: "M Fabs" <the_machin_shin-at-hotmail-dot-com> 
>  
>  I recently got some (3) mil (I think) by 1.5" copper foil.  I was trying 
to 
>  figure out about what AWG number this would correspond to on Fr. Tom's 
>  wirelist.  3mils * 1500mils gives 4500 mils.  Divide by pi, take sqrt, 
>  multiply by 2, I get 75.6mils diameter for an equivalent circular area.  
>  Look on the wirelist I see between 12 and 13AWG.  Is this right?  This 
stuff 
> 
>  seems much more capable than that. Maybe I am remembering the thickness 
>  incorrectly...
>  
>  MPF
>  the_machin_shin-at-hotmail-dot-com

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